Question

Zapishite v vide dvoinogo neravenstva neravenstvo c modulem a) lx-3l<5,2

Answer 1

-5,2<x-3<5,2
-2,2<x<8,2

Answer 2

-5,2<x-3<5,2
-5,2+3<x<5,2+3
-2,2<x<8,2